Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

The following is a summary of property, plant and equipment at September 30, 2018 and December 31, 2017 (in thousands):



	Estimated Useful Lives in Years	September 30, 2018			December 31, 2017
Land	—	$	14,827		$	15,314
Land improvements ⁽¹⁾	8-15	15,082			14,594
Buildings and improvements ⁽¹⁾	39	104,077			119,380
Rental machinery and equipment	7	895,083			898,146
Machinery and equipment - other	7	61,531			55,049
Furniture, fixtures and computers	5	24,718			27,259
Automobiles and other vehicles	5	29,533			29,971
Leasehold improvements ⁽¹⁾	7-15, or lease term if shorter	11,823			10,030
Construction in progress - machinery and equipment and land improvements ⁽¹⁾	—	65,277			61,836
		1,221,951			1,231,579
Less: Accumulated depreciation		(823,256		)	(761,933		)
Total property, plant and equipment, net		$	398,695		$	469,646


⁽¹⁾	See Note 16—Subsequent Events for additional information.

Summary of Depreciation and Amortization Expense

The following table presents the depreciation and amortization expense associated with each line item for the three and nine months ended September 30, 2018 and 2017 (in thousands):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Services	$	22,584	$	25,663	$	70,465	$	78,558
Products	1,051		1,278		3,319		3,838
General and administrative expenses	3,363		3,709		10,376		10,304
Total	$	26,998	$	30,650	$	84,160	$	92,700